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undertow: buffer leak on incoming websocket PONG message may lead to DoS

🗓️ 08 Sep 2021 13:36:01Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Undertow has a WebSocket PONG buffer leak that could exhaust memory and cause denial of service.

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Red Hat Enterprise Linux7noarcheap7-apache-commons-io2.10.0-1.redhat_00001.1.el7eapeap7-apache-commons-io-2.10.0-1.redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-hal-console3.2.16-1.Final_redhat_00001.1.el7eapeap7-hal-console-3.2.16-1.Final_redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-hibernate5.3.20-4.SP2_redhat_00001.1.el7eapeap7-hibernate-5.3.20-4.SP2_redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-hibernate-core5.3.20-4.SP2_redhat_00001.1.el7eapeap7-hibernate-core-5.3.20-4.SP2_redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-hibernate-entitymanager5.3.20-4.SP2_redhat_00001.1.el7eapeap7-hibernate-entitymanager-5.3.20-4.SP2_redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-hibernate-envers5.3.20-4.SP2_redhat_00001.1.el7eapeap7-hibernate-envers-5.3.20-4.SP2_redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-hibernate-java85.3.20-4.SP2_redhat_00001.1.el7eapeap7-hibernate-java8-5.3.20-4.SP2_redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-ironjacamar1.4.35-1.Final_redhat_00001.1.el7eapeap7-ironjacamar-1.4.35-1.Final_redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-ironjacamar-common-api1.4.35-1.Final_redhat_00001.1.el7eapeap7-ironjacamar-common-api-1.4.35-1.Final_redhat_00001.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-ironjacamar-common-impl1.4.35-1.Final_redhat_00001.1.el7eapeap7-ironjacamar-common-impl-1.4.35-1.Final_redhat_00001.1.el7eap.noarch.rpm
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28 Jun 2026 12:21Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.01387
4